Home / 2,203.23-3,040.55-1,318.86

Finding the Fourth Proportional to 2,203.23, 3,040.55 and 1,318.86

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Solution

The fourth proportional to 2,203.23, 3,040.55 and 1,318.86 is: 1,820.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,203.23 : 3,040.55 = 1,318.86 : x
  2. Step 2: Convert to fraction form
    2,203.23/3,040.55 = 1,318.86/x
  3. Step 3: Cross multiply
    2,203.23x = 3,040.55 × 1,318.86
  4. Step 4: Simplify right side
    2,203.23x = 4,010,068.77
  5. Step 5: Solve for x
    x = 4,010,068.77/2,203.23
  6. Step 6: Final answer
    x = 1,820.09

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.